During November 2024, Bingzhe worked on the facebookresearch/param repository, focusing on improving the reliability of et trace replay workflows. He addressed a critical bug by stabilizing blocking mode, introducing a barrier synchronization mechanism to ensure data validation completed without rank unsynchronization or process hangs. This approach reduced the risk of deadlocks and improved the consistency of benchmarking runs. Bingzhe enhanced observability by adding explicit logging to confirm successful validation, supporting more reproducible results. His work leveraged Python and emphasized debugging, performance optimization, and system testing, demonstrating a thoughtful approach to concurrency and robust sequencing in distributed systems.